There is a surprising link between what goes on near the black hole and the shape of the entire galaxy that surrounds it.

Egg-shaped galaxies may be aligned to the black holes at their hearts, astronomers find

Source: space
Source Link: https://www.space.com/the-universe/black-holes/egg-shaped-galaxies-may-be-aligned-to-the-black-holes-at-their-hearts-astronomers-find